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- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 16, 1932
- SuDoc number:
- C 21.5/a 2:421/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 9, 1932
- SuDoc number:
- C 21.5/a 2:421/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Aug. 2, 1932
- SuDoc number:
- C 21.5/a 2:421/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- July 26, 1932
- SuDoc number:
- C 21.5/a 2:420/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- July 19, 1932
- SuDoc number:
- C 21.5/a 2:420/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- July 12, 1932
- SuDoc number:
- C 21.5/a 2:420/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- July 5, 1932
- SuDoc number:
- C 21.5/a 2:420/1
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 28, 1932
- SuDoc number:
- C 21.5/a 2:419/4
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 21, 1932
- SuDoc number:
- C 21.5/a 2:419/3
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- June 14, 1932
- SuDoc number:
- C 21.5/a 2:419/2